Beside being the name of those little small hair balls, means also having heart attack-like problems because of being surprised or excessively happy/sad.
1. Look at those kittens! So cute!
2. Holy cow! When I saw that link you sent me, I nearly had kittens!
By Nerita
Kittens
Kitten : kît''n Noun
1 Small, furry, multidimensional mammals that make up the fabric of the universe :
2 Evil beings that secretly plot mankind's destruction and must be potatoshopped at all cost :
''Do quantum kittens play with superstring?''
''I haven't potatoed a kitten for a while.''